US Bridges

SR 178 over Stream

Fair

DeSoto County, Mississippi · 0.1 MI S Tenn State Line · Structure no. 310017801700010

Built
1938
87 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
5,900
2023 count
Owner
State
State Highway Agency

About this bridge

SR 178 over Stream is a concrete culvert carrying SR 178 over Stream in DeSoto County, Mississippi. It was built in 1938, so it is 87 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,900 vehicles a day, roughly 21% of them trucks, projected to reach 6,800 by 2043. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 178
CrossesStream
Location0.1 MI S Tenn State Line
RouteState Highway 178
CountyDeSoto County
StateMississippi
Coordinates34.99398, -89.87098
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2023)
Projected traffic6,800 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$318 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 178 over Stream built?

It was built in 1938, making it 87 years old in 2025.

What condition is SR 178 over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does SR 178 over Stream carry?

About 5,900 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SR 178 over Stream?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns SR 178 over Stream?

It is owned by the State Highway Agency.